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20-08-2015
Mathematics

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to find 19+(11+37. lennie added 19 and 11. then he added 37 to the sum. what property did he use

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Аноним Аноним

21-08-2015

[tex]a+(b+c)=(a+b)+c\ it's\ associative\ property\\------------------------\\\\19+(11+37)=(19+11)+37=30+37=67[/tex]

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